World Sep 24 Research reveals threats polar bears face as climate change melts Arctic ice hunting grounds By Seth Borenstein, Associated Press
World Feb 12 Polar bears move into Russian town by the dozens Regional authorities in Russia declared a state of emergency over the weekend. By Associated Press
Science Feb 03 As Arctic sea ice shrinks, new research shows how much energy polar bears use to find food A new study shows that polar bears require more food than previously thought. The scientists used collars that tracked bears' movements and metabolic rates. By Anthony Pagano, The Conversation
Nation Oct 15 Polar bears, growing desperate for food, threaten Alaska Natives Warmer temperatures have melted Alaska Natives' traditional permafrost freezers in the U.S. arctic and also forced polar bears onto land near them. They hope stainless steel containers shipped from Oregon will help keep the hungry bears away. By Kamala Kelkar
Science Jan 17 Study: Polar bears seek new habitats further north Polar bears are gradually moving north in search of longer lasting sea ice, according to findings published in the scientific journal PLOS ONE. By Carey Reed
Nov 17 Watch Scientists read layers of Alaska’s ice and snow to track climate change By PBS News Hour Continue watching